Business Combinations - Unaudited Pro Forma Financial Information (Details) - Heartland BancCorp - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Business Combination [Line Items]
Net Interest Income	$ 72,171	$ 65,668
Non-interest Income	15,650	18,252
Total Revenue	87,821	83,920
Provision for Credit Losses	(916)	900
Non-interest Expense	51,521	50,750
Income Before Income Taxes	37,216	32,270
Income Tax Expense	8,712	6,401
Net Income	$ 28,504	$ 25,869
Earnings per share, basic (in dollars per share)	$ 0.76	$ 0.69
Earnings per share, diluted (in dollars per share)	$ 0.76	$ 0.69